CN103990958A - Device and method for installing large frequency modulation wheel - Google Patents
Device and method for installing large frequency modulation wheel Download PDFInfo
- Publication number
- CN103990958A CN103990958A CN201310631526.5A CN201310631526A CN103990958A CN 103990958 A CN103990958 A CN 103990958A CN 201310631526 A CN201310631526 A CN 201310631526A CN 103990958 A CN103990958 A CN 103990958A
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- Prior art keywords
- wheel
- bent axle
- screw guide
- semi
- hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention provides a device and method for installing a large frequency modulation wheel and a crankshaft. The device comprises two long lead screw guide pins and two detachable cylindrical pins, wherein the two long lead screw guide pins are symmetrically arranged in mounting holes, and the two detachable cylindrical pins are symmetrically arranged in mounting holes, perpendicular to the two long lead screw guide pins, in the circumference. Each long lead screw guide pin comprises a lead screw portion and a cone-shaped guiding portion located at the front end of the lead screw portion. Each detachable cylindrical pin comprises two semicircular tubes and two taper rings, wherein the two semicircular tubes are arranged in one mounting hole in an oppositely combined mode, the two ends of the semicircular tubes are respectively provided with an internal taper hole, and the two taper rings are arranged in the internal taper holes in the two ends respectively to strut the two semicircular tubes; a through hole is formed in the center of each taper ring, the peripheries of the two taper rings are provided with external taper surfaces which are matched with the internal taper holes in the two ends of the two semicircular tubes, a locking bolt penetrating through the two taper rings and locking nuts expand the two semicircular tubes in the corresponding mounting hole. Through the device and method for installing the large frequency modulation wheel, the frequency modulation wheel can be installed in a narrow installation environment, the installation efficiency is improved, and the working intensity is lowered.
Description
Technical field
The present invention relates to the assembly technology of large-scale diesel engine, be specifically related to a kind of apparatus and method of closing up installation for large-scale FM Wheel and bent axle, belong to Diesel Engine Technique Field.
Background technology
The bent axle of marine low speed diesel engine and FM Wheel are knockdown, before bent axle is taken a seat or after complete machine closes up, at assembly shop, install, thereby the whole efficiency of FM Wheel and the bent axle work that is directly connected to smoothly of closing up.Existing mounting process is, utilize and drive a vehicle bent axle 1# cylinder crank throw dish to top dead-centre, by the corresponding placement of a circle installing hole on circumference separately of FM Wheel and bent axle, by two mount pins of the symmetrical installation of crankshaft flange, penetrate crankshaft installed hole, adjust again aperture and carry out between two parties on-the-spot FM Wheel location, finally at FM Wheel joint face, penetrate tightening nut in addition fastening, realize the installation of closing up of FM Wheel and bent axle.But because mount pin is too short, FM Wheel is difficult to realize with bent axle centering penetrate in installation process, so whole guiding installation process is consuming time very long, in addition bent axle and support narrow space, inconvenience removes and installs pin, so in actual assembling process, plant personnel is not used mount pin substantially, thereby it is consuming time long to cause FM Wheel to be installed, and wastes a large amount of manpower and materials.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned existing FM Wheel and crankshaft installed technique, a kind of apparatus and method of installing for large-scale FM Wheel are provided, to realize the Fast Installation of FM Wheel under any state, thus the smooth installation of assurance complete machine.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of device for large-scale FM Wheel and crankshaft installed, on this FM Wheel and bent axle, be provided with a plurality of installing holes of circle distribution, it is characterized in that: described device comprises that symmetry is installed on two long screw guide fingers in described installing hole and the symmetrical two removable straight pins that are installed in the perpendicular installing hole of circumferential position and this two long screws guide finger position, described long screw guide finger includes screw mandrel portion and is positioned at the cone shape guide part of this screw mandrel portion front end, described removable straight pin includes two semi-circular tubes and two conical rings, described two semi-circular tubes are placed in described installing hole involutoryly and two ends are respectively provided with an internal taper hole, described two conical rings are arranged at respectively in the internal taper hole at two ends and this two semi-circular tube are strutted, this conical ring center is provided with through hole, periphery is provided with male cone (strobilus masculinus) and matches with the internal taper hole at described two semi-circular tube two ends, described two conical rings by be placed through clamping screw wherein and locking nut by described two semi-circular tube tensioners in described installing hole.
As further improvement, the guide part of described long screw guide finger has the cone angle of 20 °, and the screw mandrel portion of this long screw guide finger has the external screw thread of M39.
Another technical scheme of the present invention is as follows:
The installation method for large-scale FM Wheel and bent axle of said apparatus, its concrete steps are as follows:
1) described two long screw guide fingers are penetrated respectively to described bent axle and be positioned at the two symmetrical installing holes in 0 ° of circumference and 180 ° of directions, make FM Wheel described in the guide part subtend of this long screw guide finger front end, one end of the screw mandrel portion of this long screw guide finger is stretched out the back side of described bent axle and is screwed in nut;
2) utilize driving that described FM Wheel is moved near long screw guide finger, regulate driving to make installing hole corresponding in this FM Wheel aim at and penetrate described long screw guide finger, and screwed in and another nut of precession by one end of guide part, FM Wheel is fitted with bent axle under the effect of fastening nuts power;
3) two semi-circular tubes of described removable straight pin are filled in to FM Wheel and bent axle and be positioned at symmetrical another two installing holes in 90 ° of circumference and 270 ° of directions, by two ends, respectively two conical rings are packed into the internal taper hole at these two semi-circular tubes two ends, and penetrate clamping screw in the through hole at two conical ring centers, screw on locking nut, then adjust FM Wheel and bent axle gap symmetrical, make both concentric between two parties, by spanner, locking nut is fastening, complete the installation of removable straight pin;
4) assembling tightening nut is installed on FM Wheel and bent axle in four installing holes of symmetry, and tight with 1500bar hydraulic coupling pump;
5) remove two long screw guide fingers and two removable straight pins, on FM Wheel and bent axle, in all installing hole, install and assemble tightening nut, and tight with 1500bar hydraulic coupling pump.
Compared with prior art, the invention has the beneficial effects as follows:
The cone shape guide part of long screw guide finger has been strengthened the guide effect to FM Wheel, make FM Wheel along long screw guide finger smoothly and bent axle close up; The present invention strains two conical rings by clamping screw and locking nut semi-circular tube is strutted, and realizes easily the location of FM Wheel.The present invention adopts being used in conjunction with of long screw guide finger and removable straight pin, also can realize the installation of FM Wheel in narrow and small installation environment, and has improved installation effectiveness, has reduced working strength.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention; Wherein, a is long screw guide finger installation diagram, and b is removable straight pin installation diagram.
Fig. 2 is the schematic diagram of long screw guide finger of the present invention.
Fig. 3 is the schematic diagram of the present invention's two semi-circular tubes; Wherein, a is side view, and b is axial cutaway view.
Fig. 4 is the schematic diagram of conical ring of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention will be further described, but should not limit the scope of the invention with this.
Please first consult Fig. 1, the invention provides erecting device and the method for a kind of fast and convenient large-scale FM Wheel and bent axle, eliminated the shortcoming that original erecting tools is subject to installation environment limitation, guaranteeing under the requirement of mounting process, improve the installation effectiveness of FM Wheel, reduce installer's work difficulty.
Refer to Fig. 1, be provided with a plurality of installing holes of circle distribution on the FM Wheel 7 of marine low speed diesel engine and bent axle 6, diagram comprises two long screw guide fingers 1 and two removable straight pins for the device of large-scale FM Wheel and crankshaft installed.This two long screws guide finger, 1 symmetry is installed in described installing hole, refer to Fig. 2, described long screw guide finger 1 includes screw mandrel portion and cone shape guide part, and this screw mandrel portion has the external screw thread of M39, this guide part is positioned at the front end of this screw mandrel portion, has the cone angle of 20 °.Described two removable straight pin symmetries are installed in the perpendicular installing hole of circumferential position and this two long screws guide finger, 1 position, refer to Fig. 3 and Fig. 4, and described removable straight pin includes two semi-circular tubes 2 and two conical rings 3; Described two semi-circular tubes 2 are placed in described installing hole involutoryly, and its two ends are respectively provided with an internal taper hole, and the semi-cone angle of this internal taper hole is 4 °, and the periphery at these two semi-circular tubes, 2 two ends is provided with the chamfering of 10 °; Described two conical rings 3 are arranged at respectively in the internal taper hole at two ends and this two semi-circular tube 2 are strutted, refer to Fig. 4, these conical ring 3 centers are provided with through hole, it is the male cone (strobilus masculinus) of 4 ° that its periphery is provided with semi-cone angle, match with the internal taper hole at described two semi-circular tube 2 two ends, described two conical rings 3 by be placed through clamping screw 4 wherein and locking nut 5 by described two semi-circular tube 2 tensioners in described installing hole.
The described installation method for large-scale FM Wheel and bent axle, refers to Fig. 1, and its concrete steps are as follows:
1) described two long screw guide fingers 1 are penetrated respectively to described bent axle 6 and be positioned at the two symmetrical installing holes in 0 ° of circumference and 180 ° of directions, make FM Wheel 7 described in the guide part subtend of this long screw guide finger 1 front end, one end of the screw mandrel portion of this long screw guide finger 1 is stretched out the back side of described bent axle 6 and is screwed in nut;
2) utilize driving that described FM Wheel 7 is moved near long screw guide finger 1, regulate driving to make installing hole corresponding in this FM Wheel 7 aim at and penetrate described long screw guide finger 1, and screw in and screw another nut by one end of guide part, FM Wheel 7 is fitted with bent axle 6 under the effect of fastening nuts power;
3) two semi-circular tubes 2 of described removable straight pin are filled in to FM Wheel 7 and bent axle 6 and be positioned at symmetrical another two installing holes in 90 ° of circumference and 270 ° of directions, by two ends, respectively two conical rings 3 are packed into the internal taper hole at these two semi-circular tubes, 2 two ends, and penetrate clamping screw 4 in the through hole at two conical ring 3 centers, screw on locking nut 5, then adjust FM Wheel 7 symmetrical with bent axle 6 gaps, make both concentric between two parties, by spanner, locking nut 5 is fastening, complete the installation of removable straight pin;
4) assembling tightening nut is installed on FM Wheel 7 and bent axle 6 in four installing holes of symmetry, and tight with 1500bar hydraulic coupling pump;
5) remove two long screw guide fingers 1 and two removable straight pins, on FM Wheel 7 and bent axle 6, in all installing hole, assembling tightening nut is installed, and tight with 1500bar hydraulic coupling pump.
Here it should be noted that, the object that increases removable straight pin is to eliminate long screw guide finger 1 cannot meet FM Wheel 7 and bent axle 6 apertures deficiency placed in the middle, and removable straight pin is compared with mount pin simultaneously, and it possesses the advantage of easy dismounting, no matter how narrow and small installing space is, it all can easy removal.
A bit it should be noted that in addition in addition, due to the different of main frame type, each is variant in the hole that connects of bent axle 6 and FM Wheel 7, need to, for the erecting device of different type of machines corresponding configuration coupling, meet need of production.
The protection domain that the present invention requires is not limited only to above-described embodiment; to those skilled in the art; without departing from the principles and spirit of the present invention, any modification of having done, be equal to replacement, apparent modification and improvement, all should belong to protection scope of the present invention.
Claims (3)
1. the device for large-scale FM Wheel and crankshaft installed, on this FM Wheel and bent axle, be provided with a plurality of installing holes of circle distribution, it is characterized in that: described device comprises that symmetry is installed on two long screw guide fingers in described installing hole and the symmetrical two removable straight pins that are installed in the perpendicular installing hole of circumferential position and this two long screws guide finger position, described long screw guide finger includes screw mandrel portion and is positioned at the cone shape guide part of this screw mandrel portion front end, described removable straight pin includes two semi-circular tubes and two conical rings, described two semi-circular tubes are placed in described installing hole involutoryly and two ends are respectively provided with an internal taper hole, described two conical rings are arranged at respectively in the internal taper hole at two ends and this two semi-circular tube are strutted, this conical ring center is provided with through hole, periphery is provided with male cone (strobilus masculinus) and matches with the internal taper hole at described two semi-circular tube two ends, described two conical rings by be placed through clamping screw wherein and locking nut by described two semi-circular tube tensioners in described installing hole.
2. the device for large-scale FM Wheel and crankshaft installed according to claim 1, is characterized in that: the guide part of described long screw guide finger has the cone angle of 20 °, and the screw mandrel portion of this long screw guide finger has the external screw thread of M39.
3. the installation method for large-scale FM Wheel and bent axle that adopts device described in claim 1, is characterized in that: the concrete steps of described installation method are as follows:
1) described two long screw guide fingers are penetrated respectively to described bent axle and be positioned at the two symmetrical installing holes in 0 ° of circumference and 180 ° of directions, make FM Wheel described in the guide part subtend of this long screw guide finger front end, one end of the screw mandrel portion of this long screw guide finger is stretched out the back side of described bent axle and is screwed in nut;
2) utilize driving that described FM Wheel is moved near long screw guide finger, regulate driving to make installing hole corresponding in this FM Wheel aim at and penetrate described long screw guide finger, and screw in and screw another nut by one end of guide part, FM Wheel is fitted with bent axle under the effect of fastening nuts power;
3) two semi-circular tubes of described removable straight pin are filled in to FM Wheel and bent axle and be positioned at symmetrical another two installing holes in 90 ° of circumference and 270 ° of directions, by two ends, respectively two conical rings are packed into the internal taper hole at these two semi-circular tubes two ends, and penetrate clamping screw in the through hole at two conical ring centers, screw on locking nut, then adjust FM Wheel and bent axle gap symmetrical, make both concentric between two parties, by spanner, locking nut is fastening, complete the installation of removable straight pin;
4) assembling tightening nut is installed on FM Wheel and bent axle in four installing holes of symmetry, and tight with 1500bar hydraulic coupling pump;
5) remove two long screw guide fingers and two removable straight pins, on FM Wheel and bent axle, in all installing hole, install and assemble tightening nut, and tight with 1500bar hydraulic coupling pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310631526.5A CN103990958B (en) | 2013-12-02 | 2013-12-02 | A kind of apparatus and method of installing for large-scale FM Wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310631526.5A CN103990958B (en) | 2013-12-02 | 2013-12-02 | A kind of apparatus and method of installing for large-scale FM Wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103990958A true CN103990958A (en) | 2014-08-20 |
| CN103990958B CN103990958B (en) | 2016-03-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310631526.5A Active CN103990958B (en) | 2013-12-02 | 2013-12-02 | A kind of apparatus and method of installing for large-scale FM Wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103990958B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370014A (en) * | 2019-07-16 | 2019-10-25 | 徐州徐工矿业机械有限公司 | A kind of large excavator pivoting support guiding assembly method |
| CN113620156A (en) * | 2021-08-17 | 2021-11-09 | 中国船舶重工集团柴油机有限公司 | Embedded installation tool for frequency modulation wheel and use method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0154466A1 (en) * | 1984-02-24 | 1985-09-11 | The Rawlplug Company Limited | Bolt anchor |
| SU1222915A1 (en) * | 1984-11-05 | 1986-04-07 | Rakhmanov Nikolaj N | Fastening device |
| CN2302363Y (en) * | 1997-02-06 | 1998-12-30 | 戴宏乔 | Combined full-expanding fixing constructional element |
| JPH11254252A (en) * | 1998-03-05 | 1999-09-21 | Mitsubishi Automob Eng Co Ltd | Guide pin exchanging device |
| CN101456113A (en) * | 2007-12-10 | 2009-06-17 | 广西玉柴机器股份有限公司 | Crank pulley assembly method and guiding tool |
| CN102101238A (en) * | 2010-12-18 | 2011-06-22 | 锐展(铜陵)科技有限公司 | Crankshaft sprocket assembly tool |
| CN203062222U (en) * | 2012-12-24 | 2013-07-17 | 浙江吉利汽车研究院有限公司杭州分公司 | Engine timing assembly locating device |
-
2013
- 2013-12-02 CN CN201310631526.5A patent/CN103990958B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0154466A1 (en) * | 1984-02-24 | 1985-09-11 | The Rawlplug Company Limited | Bolt anchor |
| SU1222915A1 (en) * | 1984-11-05 | 1986-04-07 | Rakhmanov Nikolaj N | Fastening device |
| CN2302363Y (en) * | 1997-02-06 | 1998-12-30 | 戴宏乔 | Combined full-expanding fixing constructional element |
| JPH11254252A (en) * | 1998-03-05 | 1999-09-21 | Mitsubishi Automob Eng Co Ltd | Guide pin exchanging device |
| CN101456113A (en) * | 2007-12-10 | 2009-06-17 | 广西玉柴机器股份有限公司 | Crank pulley assembly method and guiding tool |
| CN102101238A (en) * | 2010-12-18 | 2011-06-22 | 锐展(铜陵)科技有限公司 | Crankshaft sprocket assembly tool |
| CN203062222U (en) * | 2012-12-24 | 2013-07-17 | 浙江吉利汽车研究院有限公司杭州分公司 | Engine timing assembly locating device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110370014A (en) * | 2019-07-16 | 2019-10-25 | 徐州徐工矿业机械有限公司 | A kind of large excavator pivoting support guiding assembly method |
| CN113620156A (en) * | 2021-08-17 | 2021-11-09 | 中国船舶重工集团柴油机有限公司 | Embedded installation tool for frequency modulation wheel and use method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103990958B (en) | 2016-03-09 |
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